package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {


    @Select("select  * from sky_take_out.user where openid=#{openid}")
    User getByOpenid(String openid);

    /**
     * 插入数据
     * @param user
     */
    void insert(User user);

    @Select("select  * from sky_take_out.user where id=#{id}")
    User getById(Long id);

    /**
     * 计算用户数量
     * @param map
     * @return
     */
    Integer countByMap(Map<String, Object> map);
}
